<?php

/*
	Question2Answer (c) Gideon Greenspan

	http://www.question2answer.org/

	
	File: qa-include/qa-page-admin-points.php
	Version: See define()s at top of qa-include/qa-base.php
	Description: Controller for admin page for settings about user points


	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	More about this license: http://www.question2answer.org/license.php
*/

if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
    header('Location: ../');
    exit;
}

require_once QA_INCLUDE_DIR . 'qa-db-recalc.php';
require_once QA_INCLUDE_DIR . 'qa-db-points.php';
require_once QA_INCLUDE_DIR . 'qa-app-options.php';
require_once QA_INCLUDE_DIR . 'qa-app-admin.php';
require_once QA_INCLUDE_DIR . 'qa-util-sort.php';


//	Check admin privileges

if (!qa_admin_check_privileges($qa_content))
    return $qa_content;


//	Process user actions

$securityexpired = false;
$recalculate = false;
$optionnames = qa_db_points_option_names();

if (qa_clicked('doshowdefaults')) {
    $options = array();

    foreach ($optionnames as $optionname)
        $options[$optionname] = qa_default_option($optionname);

} else {
    if (qa_clicked('docancel'))
        ;

    elseif (qa_clicked('dosaverecalc')) {
        if (!qa_check_form_security_code('admin/points', qa_post_text('code')))
            $securityexpired = true;

        else {
            foreach ($optionnames as $optionname)
                qa_set_option($optionname, (int)qa_post_text('option_' . $optionname));

            if (!qa_post_text('has_js'))
                qa_redirect('admin/recalc', array('dorecalcpoints' => 1));
            else
                $recalculate = true;
        }
    }

    $options = qa_get_options($optionnames);
}


//	Prepare content for theme

$qa_content = qa_content_prepare();

$qa_content['title'] = qa_lang_html('admin/admin_title') . ' - ' . qa_lang_html('admin/points_title');
$qa_content['error'] = $securityexpired ? qa_lang_html('admin/form_security_expired') : qa_admin_page_error();

$qa_content['form'] = array(
    'tags' => 'method="post" action="' . qa_self_html() . '" name="points_form" onsubmit="document.forms.points_form.has_js.value=1; return true;"',

    'style' => 'wide',

    'buttons' => array(
        'saverecalc' => array(
            'tags' => 'id="dosaverecalc"',
            'label' => qa_lang_html('admin/save_recalc_button'),
        ),
    ),

    'hidden' => array(
        'dosaverecalc' => '1',
        'has_js' => '0',
        'code' => qa_get_form_security_code('admin/points'),
    ),
);


if (qa_clicked('doshowdefaults')) {
    $qa_content['form']['ok'] = qa_lang_html('admin/points_defaults_shown');

    $qa_content['form']['buttons']['cancel'] = array(
        'tags' => 'name="docancel"',
        'label' => qa_lang_html('main/cancel_button'),
    );

} else {
    if ($recalculate) {
        $qa_content['form']['ok'] = '<span id="recalc_ok"></span>';
        $qa_content['form']['hidden']['code_recalc'] = qa_get_form_security_code('admin/recalc');

        $qa_content['script_rel'][] = 'qa-content/qa-admin.js?' . QA_VERSION;
        $qa_content['script_var']['qa_warning_recalc'] = qa_lang('admin/stop_recalc_warning');

        $qa_content['script_onloads'][] = array(
            "qa_recalc_click('dorecalcpoints', document.getElementById('dosaverecalc'), null, 'recalc_ok');"
        );
    }

    $qa_content['form']['buttons']['showdefaults'] = array(
        'tags' => 'name="doshowdefaults"',
        'label' => qa_lang_html('admin/show_defaults_button'),
    );
}


foreach ($optionnames as $optionname) {
    $optionfield = array(
        'label' => qa_lang_html('options/' . $optionname),
        'tags' => 'name="option_' . $optionname . '"',
        'value' => qa_html($options[$optionname]),
        'type' => 'number',
        'note' => qa_lang_html('admin/points'),
    );

    switch ($optionname) {
        case 'points_multiple':
            $prefix = '&#215;';
            unset($optionfield['note']);
            break;

        case 'points_per_q_voted_up':
        case 'points_per_a_voted_up':
        case 'points_q_voted_max_gain':
        case 'points_a_voted_max_gain':
            $prefix = '+';
            break;

        case 'points_per_q_voted_down':
        case 'points_per_a_voted_down':
        case 'points_q_voted_max_loss':
        case 'points_a_voted_max_loss':
            $prefix = '&ndash;';
            break;

        case 'points_base':
            $prefix = '+';
            break;

        default:
            $prefix = '<span style="visibility:hidden;">+</span>'; // for even alignment
            break;
    }

    $optionfield['prefix'] = '<span style="width:1em; display:inline-block; display:-moz-inline-stack;">' . $prefix . '</span>';

    $qa_content['form']['fields'][$optionname] = $optionfield;
}

qa_array_insert($qa_content['form']['fields'], 'points_post_a', array('blank0' => array('type' => 'blank')));
qa_array_insert($qa_content['form']['fields'], 'points_vote_up_q', array('blank1' => array('type' => 'blank')));
qa_array_insert($qa_content['form']['fields'], 'points_multiple', array('blank2' => array('type' => 'blank')));


$qa_content['navigation']['sub'] = qa_admin_sub_navigation();


return $qa_content;


/*
	Omit PHP closing tag to help avoid accidental output
*/